Kawet F, Mandang JS, Doodoh B, Walingkas SAF, Mamarimbing R, Tumewu P. Utilization of Water Hyacinth (Eichornia crassipes) as Liquid Organic Fertilizer (POC) on Chinese Cabbage (Brassica rapa var. parachinensis). JAT [Internet]. 2023 Aug. 10 [cited 2025 Apr. 28];4(2):345-51. Available from: https://ejournal.unsrat.ac.id/v3/index.php/samrat-agrotek/article/view/49175